Bukkit

CommandAPI commander = new CommandAPI();

commander.addCommand("command", executor); // add a command to the command builder
commander.initCommand("command", executor); // create a single command
commander.initCommands(); // create all previously added commands

EventAPI event = new EventAPI();

event.addEvent(listener, plugin); // add an event class to the event builder
event.registerEvent(listener, plugin); // initialize a class of events
event.registerEvents(); // register all previously added events

InventoryAPI inventory = new InventoryAPI();

inventory.isFull(inv); // returns true if full, else false
inventory.contains(inv, itemstack); // returns true if inventory contains the itemstack
inventory.contains(inv, material); // returns true if inventory contains a single material
inventory.contains(inv, material, amount); // returns true if inventory contains a certain amount of a material
inventory.hasEmptySlot(inv); // returns true if inventory has a free slot
inventory.getName(inv); // returns the name of the inventory
inventory.getTitle(inv); // returns the title of the inventory
inventory.add(inv, material); // adds one item to the inventory
inventory.add(inv, material, amount); // adds a certain amount of items to the inventory, but stops if full
inventory.add(player, inv, material, amount); // adds a certain amount of items to the inventory, and throws overflow on the ground
inventory.addStack(inv, material); // adds a full stack of a material to a free slot in the inventory
inventory.remove(inv, material, amount); // if the inventory contains a certain amount of an item, remove them
inventory.removeAll(inv, material); // removes all of an item from the inventory
inventory.copy(player, target); // copies one players inventory to another (this will overwrite the target inventory)
inventory.copy(inv, target); // copies an inventory to a target player
inventory.copy(inv, inv2); // copies an inventory to another
inventory.clear(inv); // clears the inventory

LoggerAPI logger = LoggerAPI.getLogger();

logger.log(plugin, level, message); // send messages to the console with a certain level
logger.info(plugin, message); // sends a message to the console with the INFO level
logger.severe(plugin, message); // sends a message to the console with the SEVERE level
logger.warn(plugin, message); // sends a message to the console with the WARNING level

MessagingAPI messenger = MessagingAPI.getMessenger();

messenger.broadcast(message); // broadcast a string
messenger.broadcast(args); // builds a string from a string array (String[]), then broadcasts
messenger.broadcast(start, args); // builds a string from a string array starting at a certain point
messenger.deny(sender); // deny the sender use of a command (Just a warning message)
messenger.deny(sender, message); // deny the sender use of a command (custom warning)
messenger.massSend(message); // sends a message to all online players
messenger.massSend(players, message); // sends a message to all online players in a player array
messenger.massSend(players, message); // sends a message to all online players in a string array
messenger.noTarget(sender, name); // sends a predefined player not found error
messenger.noTarget(player, name); // sends a predefined player not found error
messenger.send(sender, message); // send a command sender a message
messenger.send(player, message); // send a player a message
messenger.send(name, message); // sends a player a message if found
messenger.buildString(args); // returns a string from a string array (String[])
messenger.buildString(start, args); // returns a string from a string array starting at a certain place
messenger.info(message); // sends a player a gray italicized message
messenger.severe(message); // sends a player a red message
messenger.warn(message); // sends a player a yellow message

PlayerAPI players = new PlayerAPI();

players.addHealth(player, amount); // gives a player a certain amount of health, if it works return true, else return false
players.removeHealth(player, amount); // takes a certain amount of health from a player, if it works return true, else return false
players.award(player, achievement); // give a player an achievement
players.burn(player); // burns a player for 20 ticks
players.burn(player, ticks); // burns a player for a certain amount of ticks
players.extinguish(player); // put out a burning player
players.kill(player); // kill a player

TeleportAPI teleport = new TeleportAPI();

teleport.newLocation(target); // returns the location of a player
teleport.newLocation(world, x, y, z); // returns the newly created location
teleport.newLocation(world, x, y, z, pitch, yaw); // returns the newly created location
teleport.teleport(player, target); // teleports a player to a target player
teleport.teleport(player, location); // teleports a player to a location
teleport.teleport(player, x, y, z); // teleports a player to coords
teleport.teleport(player, world, x, y, z); // teleports a player to coords in a certain world
teleport.teleport(player, world, x, y, z, pitch, yaw); // teleports a player to coords in a certain world with a pitch and yaw
teleport.teleportAll(location); // teleports all online players to a location
teleport.teleportAll(players, location); // teleports an array of players (Player[]) to a location
teleport.teleportAll(players, location); // teleports an array of strings (String[]) to a location if a player and online